Automatic lock slider



Dec. 1942- D. MARINSIKY ET AL Q 2,303,751

AUTOMATIC LOCK SLIDER Filed Sept. 5, 1941 v m llllilll s I A, T)

INVENTOR QQDAVIS MARIA/SKY BY Lou/5 H. MORIN ATTORN Y5 ir atenitedl Dec.1, 1942 UNETED STATES PATENT OFFICE AUTOMATIC LOCK SLIDER Davis Marinskyand Louis E. Morin, Bronx, N. Y. Application September 5, 1941, SerialNo. 409,635

11 Claims.

This invention relates to sliders used in conjunction with slidefasteners in coupling and unv and annexed drawing,'in which certainembodiments of the invention are disclosed, and in which the separateparts are designated by suitable reference characters in each of theviews; and in which:

Fig. l is a side and sectional view of a slider made according to theinvention with part of the construction broken away.

Fig. 2 is a plan view of the structure as seen in Fig. 1, with part ofthe construction broken away and in section.

Fig. 3 is a view substantially similar toFig. 1,

the section being taken in a different transverse plane and also showingparts in a different position; and,

. Fig. 4 is a perspective view of a lock element employed, detached.

In lock sliders of the kind under consideration it has been a commonpractice to employ a lock element as an integral part of a pull or othermanually actuated member; and with devices of this type and kind, quiteoften it is experienced that the pull is supported in a raised positonwith respect to the slider wall by engagement of the pin or other partof the lock element with a link in such manner as to support the pull insaid raised position. This experience has been objectionable,particularly in the laundering as well as'the pressing of garmentshaving this type of fastener device thereon. oftentimes-the slider orlock parts thereof have been rendered inoperative by bending or breakingthe lock parts in the pressure applied thereto in passing throughvarious types of laundering and pressing machines.

It is one of the distinctive features of our invention to provide a lockslider which will overcome the above and other objectionablecharacteristics in providing a lock element which does not interferewith the automatic return of the pull to a collapsed position upon thesl der wall,

and further in providing a lock element capable of movement independentof the pull, partieularly in moving the slider longitudinally. of thestringers to couple the same by any other means or manner other thanengagement of the pull. Still further, a lock element is provided whichis free to move independent of the pull from an inoperative or raisedposition into an operative position in automatically'locking the sliderby stress or strain applied to the stringers tending to separate thesame or to move the slider along the stringers in the opening direction.

In the accompanying drawing, one adaptation of the invention is shown.Considering Fig. 1, l0 represents a slider body of more or lessconventional general form; that is to say, it comprises spaced top andbottom walls H and I! joined at the wide end portion of the slider in aconnecting web IS with the walls of the slider having inwardly extendingside flanges It.

In the construction shown, the top wall I I, note 'Fig. 2, hastransversely spaced bearings [5 between which the wall II is recessed asseen at l6, and one end of the recess opens into an elongated apertureI? which opens into the channel l8 of the slider to engage the links ofat least one stringer; one of the links being indicated in part in dotand dash lines I9 in Fig. 3 of the drawing.

As the stringer structure is well known in this art, no detail showingis made thereof.

At tllis shown part of a finger piece or pull which may constitute anytype andkind of a manually actuated member; and this pull has ayoke-shaped end formed by spaced bearing portions 2| pivoted to thebearings l5 by a pivot pin 22, the ends of which are riveted orotherwise secured to retain the pin against displacement Arranged uponthe pin 22 between the bearing portions 2! of the member 20 is asubstantially semi-cylindrical lock element 23 which might also betermed a hood element in that the outer curved wall of this elementjackets the pivot pin intermediate the bearing portions 2|. The element23 includes and discs or hearing portions M, apertured as seen at '25 toreceive the pin 22. One of these end walls or discs includes anintegrally projecting lock part 26, commonly re- I ferred to as the lockpin; and this pin is adapted to drop between adjacent links of astringer in retaining the slider against movement thereon in one, 'oropening, direction. The lement 23 also preferably includes at one edgewall of the curved portion thereof a projecting lip or flange draw thelock pin or part 26 out of the channel 18 of the slider into a positionas indicated in Fig. 3 of the drawing, or a position beyond the positionshown.

The wall of the hood lock element 23 is spaced beyond the pin 22suiliciently to receive a coil spring 29 which encircles the pin 22, oneend 30 of the spring engaging the element 23, and the other end 3!entering an aperture 32 in the recessed portion it of the slider, thespring tending to normally support the element 23 in the locked positionshown in Fig. l of the drawing, with the lock pin or part 25 projectinginto the channel i8.

In the normal locked position of the slider the hood portion of theelement 23 substantially conceals the pin 22 as well as the springarranged thereon, and in the normal operation of the slider, when it isdesired to move thesame along the stringers to couple the stringers, theraising of the pull or member 20 will automatically rotate the lockelement and raise the lock pin or part 23 out of the channel l8providing free movement of the slider along the stringers; Uponreleasing the pull or member 20, the lock ele ment then engaging thepull will automatically return the same to horizontal position withrespect to the slider wall; andat the same time move the pin or part 26into locked position.

However, should the pin or part 23 strike the upper surface of a linkwhich would retard or check movement of the element 23 into operativeposition, the pull or member 20 would automatically drop by gravity ontothe slider, but leave the element in the position shown in Fig. 3. Itwill thus appear that in the laundering and pressing operationsheretofore referred to, the danger of bending or breaking the lockelement by the forcing of the pull or member 20 from a positionsubstantially similar to that indicated in dotted lines in Fig. 3, tothe full line position, is

eliminated. The dotted line position represents automatically drop intoposition to engage the next link of the stringer to check furtheropening movement of the slider.

With the lock slider structure disclosed, it will be apparent that thepull or manually actuated member has a movement with as well asindependent of the lock element; and in the construction disclosed, thiselement is disposed between the pivot ends of the pull. It will furtherbe apparent that the lock element may have any type and kind of linkengaging means to retain the slider against movement along thestringers. Having fully described vour invention, what we claim as newand desire to secure by letters Patent, is: Y

l. A look slider for separable fasteners, said slider comprising achanneled body formed by spaced walls, one wall having outwardlyprojecting and transversely spaced bearings, a pull pivoted to saidbearings, a lock element swingably mounted on said pivot intermediatesaid bearings, said wall of the slider having an aperture port the lockportion in operative position, and means on said pull engaging saidelement to withdraw the lock portion thereof from the slider channel inswinging the pull on its pivot.

2. A lock slider for separable fasteners, said slider comprising achanneled body formed by spaced walls, one wall having outwardlyrojecting and transversely spaced bearings, a pull pivoted to saidbearings, a lock element swingably mounted on said pivot intermediatesaid bearings, said wall of the slider having an aperture opening intothe channel thereof, a lock portion on said element operating in theaperture to enter the slider channel, tensional means cooperating withsaid element to normally support the lock portion inoperative position,means on said pull engaging said element to withdraw the lock portionthereof from the slider channel in swinging the pull on its pivot, andsaid element comprisinga hood-shaped body portion substantiallyconcealing the pivot and said tensional means when the element is inoperative position.

3. A look slider for separable fasteners comprising a channeled bodyhaving spaced walls, a lock element movably supported on one of saidwalls and having a lock portion adapted to enter the channel oftheslider through said wall, tensional means normally supporting thelock por-;

tion of said element in thechannel of the slider, manually operatedmeans on said slider wall cooperating with said element to withdraw thelock-q portion thereof .from said channel, said last named means beingmovable coaxially with and I independent of said, element, said lockelement comprising a semi-cylindrical member enclosing said tensionalmeans and having apertured end walls, and one of said end walls beingextended pintle pin mounted in said bearings for pivotally supportingthe pull on the slider wall, a lock element swingably mounted on saidpintle intermediate the spaced bearings of said pull, said ele-' openinginto the channel thereof, a lock poroperating with said element tonormally supment having a lock portion operating in an aperture in saidslider wall to enter the channel of the slider, a coil spring on saidpintle and engaging said element to normally support the lock portionthereof in the channel of the slider, and interengaging means on thepull and element for operating said element to withdraw the lock portionfrom the slider channel in swinging the pull in one direction on saidslider.

5. A look slider comprising a channeled body having spaced walls, onewall of said body having a transverse recess intermediate end portionsthereof, pintle bearings at terminal end portions of said recess, a pullhaving a yoke-shaped end defined by spaced apertured pintle bearings, apintle pin mounted in said bearings for pivotally supporting the pull onthe slider wall, a lock element swingably mounted on said pintleintermediate spaced bearings of said pull, said element having a lockportion operating in an aperture in said slider wall to enter thechannel of the slider, a coil spring on said pintle and engaging saidelement to normally support the lock portion thereof in the channel ofthe slider, interengaging means on the pull and element for operatingsaid element to withdraw the lock portion from the slider channel inswinging the pull in wall, a lock element swingably mounted on saidpintle intermediate the spaced bearings of said pull,- said elementhaving a lock portion operating in an aperture in said slider wall toenter the channel of the slider, a coil spring on said pintle andengaging said element to normally support the lock portion thereof inthe channel of the slider, inter-engaging means on the pull and elementfor operating said element to withdraw the lockportion from the sliderchannel in swinging the pull in one direction on said slider, and'saidpull and element being each movable .one independently of the otherapart from said first named collective movement.

'l. A lock element for sliders of separable fasteners, said elementcomprising an elongated semi-cylindrical body, the ends of said bodyhaving apertured walls, one of said walls having a protruding pin lockportion, and one side edge of said cylindrical body having a protrudinglug portion.

8. In lock sliders for separable fasteners the combination with a pullpivoted to the slider for operating the same, of a lock element movablysupported on the slider and mounted for coaxial rotation with the pulland having a lock body of a separable fastener, of a swingablecylindrical lock element having a lock pin adapted to move into and outof the channel of said slider, a coil spring arranged within saidelement and cooperating therewith to normally support the pin in thechannel of the slider, and manually actuated means rotatable coaxiallywith and independent of said element for withdrawing the pin part ofsaid element from the slider channel.

10. A lock slider for separable fasteners comprising a channeled body, apull for operating said body, means pivoting the pull to one wall ofsaid body, said wall of the body adjacent the pivot of the pull havingan aperture opening into the channel thereof, a lock elementindependently rotatable on the slider coaxially with the pullat saidfirst named means, said element having a part engaging the pull wherebyin moving the pull in one direction on the slider said element will beactuated, said element having a lock part part adapted to enter thechannel of the slider,

tensional means normally supporting the lock element in operativeposition and in engagement.

with said pull whereby in grasping the pull to operate the slider saidelement is actuated to withdraw the lock part from the slider channel,

and means whereby said pull and element are independently movable on theslider.

9. The combination with the channeled slider operating in the apertureof said wall of the slider to move into and out of the channel thereof,and means normally supporting said element with the part thereofprojecting into the slider channel.

11. The improvement in a slide for separable fasteners, said slidehaving spaced walls defining channels and one of said walls having anaperture thereon, which comprises pivot means carried by one of saidwalls; a pull mounted on said pivot means to rotate about the axisthereof and normally resting on said wall; a lock element having a hoodportion, said element being pivoted on said pivot means to rotatethereon coaxially with and independently of said pull; said lock elementhaving a detent portion extending through said aperture, resilient meansenclosed within said hood portion to rock said lock element and'to'normally urge said detent into locking engagement with a fastenerelement, said lock element also having a portion normally overlappingsaid pull and adaptedior engagement therewith to release said detentwhen the pull is rotated about said pivot.

DAVIS MARINSKY. LOUIS H. MORIN.

